DEWAYNE WILLIAMS - 28 Feb 2026 Form 4 Insider Report for NCS Multistage Holdings, Inc. (NCSM)

Signature
/s/ Ori Lev, attorney-in-fact
Issuer symbol
NCSM
Transactions as of
28 Feb 2026
Net transactions value
-$192,666
Form type
4
Filing time
03 Mar 2026, 17:22:12 UTC
Previous filing
04 Mar 2025

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
WILLIAMS DEWAYNE VP & Controller C/O NCS MULTISTAGE HOLDINGS, INC., 19350 STATE HIGHWAY 249, SUITE 600, HOUSTON /s/ Ori Lev, attorney-in-fact 03 Mar 2026 0001464457

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction NCSM Common Stock Options Exercise $0 +4,535 +100% $0.000000 9,077 28 Feb 2026 Direct F1
transaction NCSM Common Stock Tax liability $180,674 -4,535 -50% $39.84 4,542 28 Feb 2026 Direct F1
transaction NCSM Common Stock Disposed to Issuer $11,992 -301 -6.6% $39.84 4,241 28 Feb 2026 Direct F2
transaction NCSM Common Stock Award $0 +1,366 +32% $0.000000 5,607 03 Mar 2026 Direct F3

Derivative Securities (e.g., puts, calls, warrants, options, convertible securities)

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Underlying Class Amount Exercise Price Ownership Footnotes
transaction NCSM Equivalent Stock Units Options Exercise $0 -4,535 -54% $0.000000 3,833 28 Feb 2026 Common Stock 4,535 Direct F1, F4, F5
transaction NCSM Equivalent Stock Units Award $0 +1,366 +36% $0.000000 5,199 03 Mar 2026 Common Stock 1,366 Direct F4, F6
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 Equivalent stock units vested on February 28, 2026 and settled for cash.
F2 These shares were surrendered to satisfy the tax obligations related to the vesting of restricted stock units.
F3 Includes 1,180 restricted stock units which vest in two equal annual installments beginning on February 28, 2027 and 1,366 restricted stock units which vest in three equal annual installments beginning on February 28, 2027.
F4 These equivalent stock units settle in cash and represent the economic equivalent of one share of common stock, provided that the amount of cash settled for any equivalent stock unit will not exceed the maximum payout established by the Compensation, Nominating and Governance Committee.
F5 Includes 2,653 equivalent stock units which vest on February 28, 2027 and 1,180 equivalent stock units which vest in two equal annual installments beginning on February 28, 2027.
F6 Includes 2,653 equivalent stock units which vest on February 28, 2027, 1,180 equivalent stock units which vest in two equal annual installments beginning on February 28, 2027 and 1,366 equivalent stock units which vest in three equal annual installments beginning on February 28, 2027